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avcodec/utils: initialize pixel buffer pool

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This should silence many valgrind warnings about use of uninitialized
data, all the warnings i looked at where false positives having their
uninitialized data not actually used.

The same effect could be achieved by listing all code that touches
the pixel buffer in the valgrind suppression file.
Note, valgrind also fails to trace the origins correctly.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-03-24 02:31:20 +01:00
parent 4f112a8e34
commit 01df2a13c3
1 changed files with 4 additions and 1 deletions
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5
libavcodec/utils.c
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@ -408,7 +408,10 @@ static int update_frame_pool(AVCodecContext *avctx, AVFrame *frame)
av_buffer_pool_uninit(&pool->pools[i]);
pool->linesize[i] = picture.linesize[i];
if (size[i]) {
pool->pools[i] = av_buffer_pool_init(size[i] + 16, NULL);
pool->pools[i] = av_buffer_pool_init(size[i] + 16,
CONFIG_MEMORY_POISONING ?
NULL :
av_buffer_allocz);
if (!pool->pools[i]) {
ret = AVERROR(ENOMEM);
goto fail;